sepam 20 user manual - Schneider Electric

7
Use Default parameter setting
B21 (1) and B22 applications
Hardware configuration
b Identification: Sepam xxxx
b Model: UX
b MES module: absent
b MET module: absent
b MSA module: absent
b DSM module: present
b ACE module: absent.
Output parameter setting
b Outputs used: O1 to O4
b Shunt trip units: O1 to O3
b Undervoltage trip units: O4
b Impulse mode: no (latched).
Program logic
b Circuit breaker control: no
b Logic input assignment: not used.
General characteristics
b Network frequency: 50 Hz
b Enable remote setting: no
b Working language: English
b Primary rated voltage (Unp): 20 kV
b Secondary rated voltage (Uns): 100 V
b Voltages measured by VTs: V1, V2, V3
b Residual voltage: sum of 3Vs
b Pre-trig for disturbance recording: 36 periods.
(1) Type B21 performs the same functions as cancelled type B20.
7/20
Protection functions
b All the protections are "Off"
b The settings comprise values and choices that are informative and consistent with
the general characteristics by default
b Latching: no
b Disturbance recording triggering: with
Control matrix
b Assignment of output relays and LEDs according to chart:
Functions Outputs LEDs
B21 B22 O1 O2 O3 O4 L1 L2 L3 L4 L5 L6 L7 L8 L9
27D-1 27D-1 b b
27D-2 27D-2 b b b
27R 27R b b
27-1 27-1 b b
27-2 27-2 b b b
27S-1 27S-1 b b b
27S-2 27S-2 b b b
27S-3 27S-3 b b b
59-1 59-1 b b
59-2 59-2 b b b
59N-1 59N-1 b b
59N-2 59N-2 b b b
81H 81H b b b
81L-1 81L-1 b b
81L-2 81L-2 b b b
81R b b b
b Disturbance recording triggering upon signal pick-up
b Watchdog on output O4.
LED marking
L1: U < 27
L2: U < 27D
L3: U < 27R
L4: U > 59
L5: U > 59N
L6: F > 81H
L7: F < 81L
L8: F